题目

SWEN90010_2025_SM1 Practice Exam

多重下拉选择题

Consider the following Ada program. procedure Pointers is X : access Integer := new Integer'(5); Y : access Integer := X; begin Y.all := 10; end Pointers; Variable Y is called an [ Select ] pointer duplicate reference alias for X because [ Select ] because X and Y refer to distinct (separate) memory locations because Y refers to the memory that holds the pointer X because X and Y are both pointers because X and Y both refer to the same memory location . After this program finishes executing, the statement "X.all = 5" is false

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思路分析

The question presents an Ada program and asks to fill in two blanks and evaluate a later statement. First, the prompt asks: Variable Y is called an [ Select ] [blank1] for X because [ Select ] [blank2] because X and Y refer to distinct (separate) memory locations, because Y refers to the memory that holds the pointer X, because X and Y are both pointers, because X and Y both refer to the same memory location. After this program finishes executing, the statement "X.all = 5" is false. Analyzing blank1 (the relationship between Y and X): - Option: alias. In Ada,......Login to view full explanation